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    Method for measuring the complex dielectric constant of a substance
    2.
    发明授权
    Method for measuring the complex dielectric constant of a substance 有权
    用于测量物质的复介电常数的方法

    公开(公告)号：US09151793B1

    公开(公告)日：2015-10-06

    申请号：US14497296

    申请日：2014-09-25

    申请人： Essam Eldin Mohamed Hassan ,  Hassan Ali Ragheb

    发明人： Essam Eldin Mohamed Hassan ,  Hassan Ali Ragheb

    IPC分类号： G01R27/26

    CPC分类号： G01R27/2682

    摘要： The method for measuring the complex dielectric constant of a substance is based on calculations made in the frequency domain. An open ended rectangular waveguide terminates, at one end, in a non-resonant rectangular cavity, which is then filled with a substance of interest. An electromagnetic wave of known frequency is transmitted through the waveguide and the reflection coefficient at the interface between the waveguide and the cavity is measured by a network analyzer or the like. Another measurement is then made with a slight variation in depth of the cavity or a variation in frequency, and from these two measurements of the reflection coefficient, the complex dielectric constant of the substance of interest can be calculated.

    摘要翻译： 用于测量物质的复介电常数的方法是基于在频域中进行的计算。 开放式开口的矩形波导在一端终止于非谐振矩形空腔中，然后填充有感兴趣的物质。 已知频率的电磁波通过波导传输，并且通过网络分析仪等测量波导和腔之间的界面处的反射系数。 然后进行另一个测量，其具有腔的深度或频率变化的轻微变化，并且从反射系数的这两个测量结果可以计算出感兴趣物质的复介电常数。

    ADVANCED ENERGY MANAGEMENT
    3.
    发明申请
    ADVANCED ENERGY MANAGEMENT 有权
    高级能源管理

    公开(公告)号：US20140055111A1

    公开(公告)日：2014-02-27

    申请号：US13593077

    申请日：2012-08-23

    申请人： HASSAN ALI KOJORI

    发明人： HASSAN ALI KOJORI

    IPC分类号： G05F1/10

    CPC分类号： G05F1/44

    摘要： A system adapted to regulate a voltage of a supply bus is described. The system includes a source adapted to supply a source current to the supply bus, a load adapted to draw a load current from the supply bus, and a bi-directional voltage to current converter adapted to provide an output current, where the output current is at least partly based on the source current and the load current.

    摘要翻译： 描述了适于调节供电总线的电压的系统。 该系统包括适于向源电源供应源电流的源，适于从供电总线抽取负载电流的负载以及适于提供输出电流的双向电压至电流转换器，其中输出电流为 至少部分地基于源电流和负载电流。

    Method and apparatus for generalized AC and DC arc fault detection and protection
    7.
    发明授权
    Method and apparatus for generalized AC and DC arc fault detection and protection 失效
    广泛的交流和直流电弧故障检测和保护的方法和装置

    公开(公告)号：US08350573B2

    公开(公告)日：2013-01-08

    申请号：US12890861

    申请日：2010-09-27

    申请人： Hassan Ali Kojori ,  Yang Ye

    发明人： Hassan Ali Kojori ,  Yang Ye

    IPC分类号： G01R31/08 ,  H02H3/00

    CPC分类号： H02H1/0015 ,  H02H3/0935

    摘要： According to the features discussed herein, through a single generalized arc-fault detection algorithm, various types of series and/or parallel arc faults can be detected without any nuisance trip for either AC or DC Electric Power Systems. Running Discrete Fourier Series (RDFS) formulation for nuisance-free operation and cost-effective implementation is developed. Unlike other methods which require numerous source and load-side current and voltage measurements, only source side current is required. An arc detector may include a first detector to monitor variations of a magnitude of a fundamental component of a current, and a second detector to monitor an overload condition based in an i2t calculation. A method may include obtaining a first cycle of a fundamental component of a current, obtaining a second cycle of the fundamental component of the current, and comparing the first cycle of the fundamental component of the current and the second cycle of the fundamental component of the current to determine if a difference of the first cycle and the second cycle is greater than a threshold amount.

    摘要翻译： 根据本文所讨论的特征，通过单一的广义电弧故障检测算法，可以检测各种类型的串联和/或并联电弧故障，而无需任何AC或DC电力系统的扰动跳闸。 开发了运行离散傅立叶级数（RDFS）制定无障碍操作和成本效益实施。 与需要大量源极和负载侧电流和电压测量的其他方法不同，仅需要源极侧电流。 电弧检测器可以包括第一检测器，用于监测电流的基波分量的幅度的变化，以及第二检测器，用于监测基于i2t计算的过载状况。 一种方法可以包括获得电流的基波分量的第一周期，获得电流的基波分量的第二周期，以及比较电流的基波分量的当前和第二周期的基波分量的第一周期 电流以确定第一周期和第二周期的差是否大于阈值量。

    Multi-module bidirectional zero voltage switching DC-DC converter
    8.
    发明授权
    Multi-module bidirectional zero voltage switching DC-DC converter 有权
    多模双向零电压开关DC-DC转换器

    公开(公告)号：US08284576B2

    公开(公告)日：2012-10-09

    申请号：US12761472

    申请日：2010-04-16

    申请人： Hamid Danesh-Pajooh-Nejad ,  Hassan Ali Kojori ,  Praveen Jain ,  Alireza Bakhshai

    发明人： Hamid Danesh-Pajooh-Nejad ,  Hassan Ali Kojori ,  Praveen Jain ,  Alireza Bakhshai

    IPC分类号： H02J1/10

    CPC分类号： H02M3/33584 ,  H02M2001/0032 ,  Y02B70/16

    摘要： A multi-module bidirectional power converter may comprise a low side common node, a high side common node and at least first and second bidirectional DC/DC converter modules. The modules may comprise first and second low voltage switches, first and second high voltage switches and a transformer. The transformer may comprise a low side winding having first and second legs and a high side winding having first and second legs. The first leg of the low side winding may be connected with the first and second low voltage switches of the module. The second leg of the low side winding may be connected with the low side common node of the multi-module bidirectional power converter. The first leg of the high side winding may be connected with the first and second high voltage switches of the module. The second leg of the high side winding may be connected to the high side common node of the multi-module bidirectional power converter. Such an arrangement may provide operability of the multi-module bidirectional power converter with any one or more of the modules so that efficiency is maintained when electrical loads are high and so that Zero Voltage Switching is maintained when electrical loads are low.

    摘要翻译： 多模块双向功率转换器可以包括低侧公共节点，高侧公共节点和至少第一和第二双向DC / DC转换器模块。 模块可以包括第一和第二低压开关，第一和第二高压开关和变压器。 变压器可以包括具有第一和第二腿部的低侧绕组和具有第一和第二腿部的高侧绕组。 低端绕组的第一段可以与模块的第一和第二低压开关连接。 低侧绕组的第二支路可以与多模块双向功率转换器的低侧公共节点连接。 高边绕组的第一段可以与模块的第一和第二高压开关连接。 高侧绕组的第二支路可以连接到多模块双向功率转换器的高侧公共节点。 这种布置可以提供多模块双向功率转换器与任何一个或多个模块的可操作性，使得当电负载高时保持效率，并且使得当电负载低时维持零电压开关。

    Method and apparatus for power conversion with maximum power point tracking and burst mode capability
    9.
    发明授权
    Method and apparatus for power conversion with maximum power point tracking and burst mode capability 有权
    具有最大功率点跟踪和突发模式能力的功率转换方法和装置

    公开(公告)号：US07986122B2

    公开(公告)日：2011-07-26

    申请号：US12284767

    申请日：2008-09-25

    申请人： Martin Fornage ,  Mudhafar Hassan-Ali

    发明人： Martin Fornage ,  Mudhafar Hassan-Ali

    IPC分类号： H01M10/44 ,  H01M10/46

    CPC分类号： G05F1/67 ,  H02J3/385 ,  H02M2001/0035 ,  Y02B70/16 ,  Y02E10/58 ,  Y10T307/516

    摘要： An apparatus and method for converting a DC input power to a DC output power. The apparatus comprises an energy storage module and a burst mode controller. The burst mode controller causes energy to be stored in the energy storage module during at least one storage period, and further causes the energy to be drawn from the energy storage module during at least one burst period. During the at least one burst period, the DC output power is greater than the DC input power. Additionally, the burst mode controller employs a maximum power point tracking (MPPT) technique for operating a device providing the DC input power proximate a maximum power point (MPP).

    摘要翻译： 一种用于将DC输入功率转换为DC输出功率的装置和方法。 该装置包括能量存储模块和突发模式控制器。 突发模式控制器在至少一个存储周期期间使能量存储在能量存储模块中，并且在至少一个突发周期期间进一步导致能量从能量存储模块中被拉出。 在至少一个突发周期期间，直流输出功率大于直流输入功率。 此外，突发模式控制器采用最大功率点跟踪（MPPT）技术来操作提供接近最大功率点（MPP）的DC输入功率的设备。

    Method and apparatus for anti-islanding of distributed power generation systems
    10.
    发明授权
    Method and apparatus for anti-islanding of distributed power generation systems 有权
    分布式发电系统防孤岛的方法和装置

    公开(公告)号：US07899632B2

    公开(公告)日：2011-03-01

    申请号：US12218752

    申请日：2008-07-16

    申请人： Martin Fornage ,  Mudhafar Hassan-Ali ,  Tibor Bolfan

    发明人： Martin Fornage ,  Mudhafar Hassan-Ali ,  Tibor Bolfan

    IPC分类号： G01R13/02

    CPC分类号： H02J3/383 ,  H02J2003/388 ,  Y02E10/563 ,  Y10T307/707

    摘要： A method and apparatus for anti-islanding of distributed power generation systems having an inverter comprising a phase locked loop (PLL), a phase shift generator for injecting a phase shift into the PLL during at least one sample period, and a phase error signature monitor for monitoring at least one phase error response of the PLL during the at least one sample period.

    摘要翻译： 一种用于具有逆变器的分布式发电系统的防孤岛的方法和装置，所述逆变器包括锁相环（PLL），在至少一个采样周期期间将相移注入到PLL中的相移发生器，以及相位误差签名监视器 用于在所述至少一个采样周期期间监视所述PLL的至少一个相位误差响应。